BULLETIN No. 53. 



U, S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF CHEMISTRY. 



CHEMICAL COMPOSITION 



OF THE 



CARCASSES OF PIGS 



BY 



H. W. WILEY, 



CHIEF OF THE DIVISION OF CHEMISTRY. 



WITH THE COLLABORATION OF 



E. E. EWELL, W. H. KRUG, T. C. TRESCOT, 



AND OTHERS. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1898. 



